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Analysis of Steel Slag as the Replacement of Natural Aggregates on the Road Base
Siti Nur Hidayah Mohd Dollah, Muhamad Razuhanafi Mat Yazid & Ahmad Yusri Mohamad
Civil Engineering Programme, Faculty of Engineering Built and Environment, Universiti Kebangsaan Malaysia
ABSTRACT - Recyclable materials have been widely used as substitutes or additives in the pavement and the construction of the road base layers. In this study, recycled materials used are steel slag. The main objective of this study is to analyze the use of steel slag as the replacement of natural aggregates for the road base which this study focusing on identifying the physical and mechanical properties of steel slag. Steel slag is used as course aggregate with percentage of aggregate materials used are 30%, 40%, 50%, 70% and 100%. Some laboratory tests are carried out such as specific gravity and water absorption test, sand equivalent test, magnesium sulphate soundness test, and Los Angeles (LA) abrasion test, and aggregate crushing value (ACV) test. Based on the results of the experimental, it was found that the percentage of steel slag as the replacement of natural aggregates for the road base that meet all the requirement of AASHTO, ASTM and JKR/SPJ/2005 is 70% where it mix with 30% of natural aggregates. As conclusion, the use of steel slag for the road base could preserve the natural resources and thus save the environment.
Key Words: road base, aggregate, cathode ray tube glass, steel slag
|File Size:||542 kb|
Entry Location Strategy: Development of Entry Location Model (ELAC) for Malaysian Construction Firms in International Markets
Norizzati Ibrahim1, Che Maznah Mat Isa1, Christopher Nigel Preece2, Nur Kamaliah Mustaffa1 & Nur Izzati Abd Rani1
1Faculty of Civil Engineering, Universiti Teknologi MARA Pasir Gudang 2College of Engineering and Computer Science, Abu Dhabi University
ABSTRACT - The construction industry plays a major and important role in transforming the Malaysian construction industry to the international level apart from the domestic level. The construction industry in Malaysia consists of over 8,000 companies registered under Grade 7 with CIDB but, only a few numbers of firms which is about 59 firms (0.74%) have been involved in international market. In reality, entry location decision involves complex factors that are needed to be considered by these firms prior to their international operations. Hence, this paper focuses on a preliminary study to develop an entry location strategies namely Entry Location Assessment Criteria (ELAC) based on Malaysian construction firms sustained in international markets. Based on a secondary data provided by Construction Industry Development Board (CIDB, 2019) Malaysia, presently there are twelve (12) firms that are currently operating in international markets. In this study, a set of dimensions of ELAC were identified and established using a Five-point Likert scale. Hence, based on the ELAC scores, three (3) firms were ranked as the top construction firms that have sustained in their international operations in various locations. The findings indicate that the top three (3) firms which scored more 50% are: (1) Sapura Energy Berhad (66%), (2) Gamuda Berhad (53%) and Sime Darby Berhad (50%). The results found that the top 3 higher ranking firms run their project in both Asean and non-Asean countries. These firms have made entry location decisions to developing countries, least developed countries, newly industrialised countries, developed countries and highly developed countries. This study benefits the Government’s intention to enhance “Capacity Building' of construction players on their level of preparedness due to the Trans-Pacific Partnership Agreement (TPPA). This assessment model is also useful especially for construction firms who are just beginning to explore foreign business opportunities or for global players who are expanding geographically to new markets.
Key Words: assessment criteria, construction firms, entry location, international markets
|File Size:||699 kb|
Modelling Urban Crime Pattern, Factors and Evaluate Effectiveness Policing Policy using GIS
Hasranizam Hashim, Wan Mohd Naim Wan Mohd, Eran Sadek Said Md Sadek & Khoiri Mohd Dimyati
Centre of Studies for Surveying Science & Geomatics, Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia
ABSTRACT - If cities are to be a city that is sustainable, competitive and safe, crime incidents must be immediately addressed as a high priority in the sustainability of the city. Incidents of crime happen every day is a big bladder to the government, especially the law enforcement agencies in the course of anxiety fear in the lives of the citizens of the city. The lack of urban crime problem and what level of crime pattern in neighbourhood is becoming a growing concern in nation. The urban crime problem cannot be solved simply by providing more police staff and spending more money on development and management in policing policy programme. There is an urgent need for innovation, for better understanding of the current and potential role of the urban crime to meet the needs in sustainability and liveable city. Thus, the adoption of a strategic approach is needed to be planning and managing that city to carry out its function and roles. This research aim is to study and map the crime pattern, factors of urban problem that influence the crime pattern, and evaluate effectiveness policing policy prevention reduce programme in Petaling and Klang district in Selangor. This research is based on data obtained from official government, observation and survey questionnaire that polled public attitudes regarding the factors of crime attributes based. The data was analysed to evaluate and determine mapping the pattern attributes and its level of preferences that influence the strategic approach to the planning and management of successful urban city using Geographical Information System (GIS) with Spatial Regression Modelling. The research suggested that successful urban safe city and neighbourhood as are linked to the distance decay criminal’s home location, population risk, land use risk, safer cities programme and frequency of omnipresence police patrol. The results of the study also suggested that a holistic strategic approach is needed for the police and local authority to successfully managing the urban crime. It is hope that the study can contribute to the improvement of urban safe with better policing policy in Petaling and Klang district.
Key Words: crime mapping, urban crime, GIS, Emerging Hot Spot Analysis, Spatial Regression
|File Size:||752 kb|
Elliptic Net Scalar Multiplication upon Koblitz and Twisted Edward Curves
Norliana Muslim & Mohamad Rushdan Md Said
Institute for Mathematical Research, Universiti Putra Malaysia
ABSTRACT - Elliptic net scalar multiplication provides an alternative method to compute elliptic curve point multiplication. The elliptic net scalar multiplication was initiated with division polynomials in the Weierstrass curves. However, the usage of scalar multiplication via elliptic net for computing scalar multiplications in Koblitz and Twisted Edward curves have yet to be reported. Hence, this study entailed investigations into the generation of point multiplication upon supersingular and non-supersingular Koblitz and Twisted Edward curves. The objectives outlined in this study are to examine the relationships between division polynomials with Koblitz curves and division polynomials with Twisted Edward curves. In this study, the explicit formulae in x and y coordinates for each corresponding Koblitz and Twisted Edward curves were proposed. New analysis on the cost of arithmetic operations such as addition, multiplication, squaring and inversion in elliptic net scalar multiplication upon Weierstrass, Koblitz and Twisted Edward curves are compared and discussed. The proposed elliptic net scalar multiplications have the potential to be developed as smart cards or an Android device in the internet of things.
Key Words: elliptic, division polynomials, Koblitz, non-linear, Twisted Edward.
|File Size:||512 kb|
Integrative Approach of Waqf Properties Development for a Sustainable SocioEconomic Performance
Siti Sara Binti Ibrahim, Abd Halim Mohd Noor & Shafinar Ismail
Business Management Faculty, University Teknologi MARA, Negeri Sembilan Business Management Faculty, University Teknologi MARA, Melaka
ABSTRACT - Malaysia has a considerable quantity of waqf properties that can be seen as a great potential mechanism to play a significant role in generating a prominent source of financing for the state and for the needs of the Ummah. However to date, the problem of underperformance in waqf development has not been resolved despite the long period of discussion and negotiation. This is due to a lack of integrative and innovative approach as well as lack of resources, knowledge and skills in developing the waqf properties by State Islamic Religious Councils (SIRCs) who has become a sole trustee to manage and develop the waqf properties in Malaysia. As a result, specific to a waqf land for example, there is only 30% of the land has been developed and cultivated for various purposes such as rental housing, shop lots, agriculture sites and petrol stations, while the rest is remain idle. Thus, for a better performance of waqf development, a cross-sector collaboration practices provides a good mechanism for the SIRCs, government, public and private sector to lend its expertise and share best practices in managing and developing waqf properties. However, not all collaboration may success and contribute to a sustainable socio-economic growth. Managing intangible resources (IRs) namely; commitment, trust, networking and urgency were considered as the most likely sources of collaboration success because they are not easily acquired and replicated but can complement the needs in project collaboration. Therefore this research is done to examine the influence of intangible resources toward the performance of waqf properties development that being an issues in the research study. Additional variables of mediating effect and moderating roles is introduce to fill a knowledge gap in existing literature. The study found that commitment, trust and urgency play significant role to influence the performance of waqf properties development in Malaysia for a sustainable socio-economic growth.
Key Words: cross-sector collaboration, Waqf properties, performance, sustainability
|File Size:||506 kb|
Acute Effects of High-Intensity Exercise on Energy Intake and Appetite Suppression in Obese Males
Fatin S. Zaini, Safwanudin A. Nordin, Alif N. Jumat & S.M.P. Sharifah Maimunah
Faculty of Sports Science and Recreation, Universiti Teknologi MARA, Negeri Sembilan, Malaysia
ABSTRACT - High intensity exercise has been shown to reduce energy intake by supressing appetite response. However, the effect of different high intensity exercise modalities is relatively unknown. Objective: To investigate the acute effect of high intensity aerobic and resistance exercise on energy intake, appetite suppression and blood glucose level among obese individual. Method: Twelve obese participants (age 20.8±1 yr, BMI: 34.1±3 kg/m2, VO2 max 30.7±3 ml/kg/min) completed a crossover study with an interval of one week between two 30 min trials in a random order. Participants were required to completed, (1) High Intensity Aerobic Exercise (HIAE) - exercise on cycle ergometer for 30 minutes (80-95% of HRmax), (2) High Intensity Resistance Exercise (HIRE) – completed 8 different exercise of weight lifting (80% of 1RM) and (3) control group – condition after a 10 hour overnight fast except for water. Each participant has answered the Three Factor Eating Questionnaire-R18 (TFEQ-R18), Visual Analog Scale (VAS) of appetite rating, measured blood glucose level and food intake recorded for 24 hours. All data were collected two times (before and after exercise). Result: A significant different between group on energy intake and uncontrolled eating (p <0.05) were noted. Conclusion: In response to acute exercise, both HIAE and HIRE shows significant reduction of energy intake and improvement in appetite suppression. However, the effects of HIAE is superior compare to HIRE.
Key Words: high-intensity exercise, appetite suppression, aerobic exercise, resistance exercise and obesity
|File Size:||351 kb|
Millennials and Z Generations Talent at the Workplace Interest
Rogis Bakera, Hasimi Sallehuddinb, Hasan Al-Banna Mohameda, Hazril Izwar Ibrahimd, Ahmad Azan Ridzuana & Norlaila Mazura Mohaiyadina
aFaculty of Defence Studies & Management, Universiti Pertahanan Nasional Malaysia. bFaculty of Information Science & Technology, Universiti Kebangsaan Malaysia. cCollege of Business Management & Accounting, Universiti Tenaga Nasional. dSchool of Management, Universiti Sains Malaysia.
ABSTRACT - Human nature and the fundamental features of our conduct are often contrary to organisational and corporate demands to achieve and maintain competitiveness. The varying employment values between different generations of today's workplace problems with corporate management, and staff experts contribute to the complexity of the workplace. This article empirically discusses a comparison of the millennials and generation Z talent in workplace interest. An integrated literature review technique was used to define and analyse the appropriate literature. This study is a step forward in understanding the comparison of differentiating characteristics values between the workforce interest of Gen Y and Gen Z.
Key Words: millennials, Y generation, Z generation, workplace, interest
|File Size:||352 kb|
Beliefs and Subjective Values in Nurturing Young Ten-Pin Bowlers
Ting Pei Yi1, Chin Ngien Siong2 & Garry Kuan3
1Institute of Teacher Education Tun Abdul Razak Campus 2Institut of Teacher Education Batu Lintang Campus 3School of Health Sciences, Universiti Sains Malaysia
ABSTRACT - The purpose of this study was to explore the motivation processes by utilising the Expectancy-value Model of Achievement Choice (Eccles et al., 1983) in ten-pin bowling. This study examined gender, age groups and race differences of ten-pin bowlers’ expectancy beliefs and subjective task values. The participants comprised of 100 young bowlers aged 13 to 21 years old. The athletes completed the expectancyvalue questionnaire assessing their expectancy-related beliefs and subjective task values. The independent sample t-test and one-way ANOVA were utilised to analyse the data. The independent sample t-test showed that there was no significant gender difference in expectation beliefs, t(98) = .41, p = .68 and subjective task value, t(98) = .95, p = .34. However, one-way ANOVA showed that there was a significant difference in expectancy beliefs, F(2,97) = 17.06, p = .001 and utility value, F(2,97) = 17.06, p =.001. Post Hoc Tukey’s HSD showed that 19-21 age group displayed higher expectancy beliefs (6.16 + .49) and utility value (6.26 + .74) as compared to the 13-15 age group (4.88 + 1.24; 5.31 + 1.40) and 16-18 age group (5.29 + .82; 5.98 + 1.14) respectively. However, the one-way ANOVA showed no significant difference between races in expectancy beliefs, F(3,96) = 2.91, p = .40 and subjective task values, F(3,96) = 1.11, p = .35. The findings recommend the adaptation of a mastery environment that can enhance learning, self-improvement and enjoyment so that bowlers and significant others can work together to achieve higher success in bowling.
Key Words: expectancy beliefs, subjective task values, bowling, achievement choice
|File Size:||536 kb|
Elements of Military Minds Towards Nurturing Young Soldiers’ Patriotism
Ahmad Azan Ridzuan, Jessica Ong Hai Liaw, Norlaila Mazura Mohaiyadin, Noor Azmi Mohd Zainol & Rogis Baker
Faculty of Defence Studies and Management, National Defence University of Malaysia, 57000 Kuala Lumpur
ABSTRACT - This study was conducted to examine the relationship between military mind elements (personal conduct, military skill, motivation, and military training) and young soldiers’ patriotism (esprit de corps and loyalty) using questionnaires gathered from 420 samples of four Malaysian Army units in Peninsular Malaysia. The outcomes of Smart PLS version 3.2.8 path model showed eight important findings: firstly, the relationship between military mind elements such as personal conduct, military skill, motivation, and military training significantly correlated with young soldiers’ esprit de corps. Secondly, the relationship between military mind elements such as personal conduct and military training significantly correlated with young soldiers’ loyalty, while other elements such as military skill and motivation are not significantly correlated. Statistically, this result confirmed that personal conduct, military skill, motivation, and military training are important determinants of young soldiers’ esprit de corps, while personal conduct and military training are important determinants of young soldiers’ loyalty in the studied organization sample. Furthermore, the implications of these correlations are discussed in this paper.
Keywords: military mind elements, young soldiers’ patriotism, Malaysian Army, Smart PLS
|File Size:||559 kb|
Gender, Personality and Learning Styles of Selected Primary School Students in Puchong
Nur Fadhlina Zainal Abedin, Tuan Sarifah Aini Syed Ahmad & Siti Sara Ibrahim
Universiti Teknologi MARA, Negeri Sembilan
ABSTRACT - Every student has a different learning style whether he or she prefers visual, audio or kinaesthetic learning style. It is common to have mix learning styles in class. However, there is only one most dominant learning style that they are comfortable with. Recognising student’s learning approach is important because it is a key factor in the formation of an individual. Uninteresting learning process will easily get students bored in class and face difficulties to focus. They tend not to being engaged and are not enthusiastic in class. As a result, it will definitely decrease their academic achievement. Thus, this paper is interested in examining the relationship among gender, personality and learning styles in two schools at Puchong, Selangor using Multivariate Analysis of Variance (MANOVA). The return and valid questionnaires are 183. The results in general show a significant relationship of gender and personality with the learning styles except for visual learning style. Female is more dominance in practising the auditory learning style as compared with male. However, male more dominance in kinaesthetic learning style. Graph for personality shows that the introverts preferred visual learning style than extrovert. Kinaesthetic learning style is most preferred by extrovert than introvert. However auditory is not significant with student’s personality.
|File Size:||419 kb|